Dayton 4YY22 - Centrifugal Upblast Roof Exhaust Fan: Belt Drive, Less Drive Pack, 36 in Wheel, 320 RPM to 690 RPM
Dayton 4YY22 - Centrifugal Upblast Roof Exhaust Fan: Belt Drive, Less Drive Pack, 36 in Wheel, 320 RPM to 690 RPM
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This item is a centrifugal upblast roof exhaust fan configured for roof curb mounting and vertical air discharge. It uses a belt-driven backward-inclined aluminum wheel housed in a spun aluminum enclosure. The unit is supplied without a motor or drive package and is intended for exhausting kitchen air within specified airflow, temperature, and static pressure limits.
Key Features:
- Fan Type: Centrifugal upblast roof exhaust fan with backward-inclined wheel.
- Airflow Capacity: Airflow range specified from 8,631 to 18,611 cfm at 0.0 in static pressure.
- Drive Configuration: Belt drive design; motor and drive package not included.
- Wheel and Housing Materials: Aluminum wheel with spun aluminum housing.
- Operating Limits: Maximum static pressure specified at 1-3/4 in wc and maximum inlet air temperature up to 300°F.
- Speed Range: Fan speed range specified from 320 to 690 RPM.
- Bearings: Regreasable pillow block bearing configuration.
- Mounting: Roof curb mounting with a square base measuring 46 in x 46 in.
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